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$248+ Cheap flights from Casper (CPR) to Idaho

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
CPR — BOI
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheap flight deals from Casper to Idaho

Keep the following information in mind while searching for Casper to Idaho flight deals. Data was last updated March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$248
(United Airlines)
Provider with most accurate pricing for Casper Natrona County-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Casper Natrona County-Boise Air Term. Gowen Fld flights.
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From Casper Natrona County to Idaho
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Find flight deals from Casper to Idaho

Cheapest flights from Casper to Idaho
Explore the most affordable flight options available from Casper to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/93:10 pmCPR - GEG
1 stop6h 40mUnited Airlines
Sun 4/134:08 pmGEG - CPR
1 stop5h 03mUnited Airlines
Deal found 3/25$248

Cheapflights Fare Finder

Customize your flight search to find flights from Casper to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2025.
Use the filters below to find and compare flights from Casper to Idaho that are best for you.

Fly from

Casper

Fly to

Idaho

Route

Depart

Return

Price

CasperSpokane

CPR - GEG

CPRGEG

Casper Natrona County

Wed 4/9

3:10 pm-8:50 pm

1 stop6h 40m

Spokane

Sun 4/13

4:08 pm-10:11 pm

1 stop5h 03m

$248

CasperSpokane

CPR - GEG

CPRGEG

Casper Natrona County

Thu 4/3

3:10 pm-8:50 pm

1 stop6h 40m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Best time to book a flight from Casper to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Casper with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Casper to Idaho

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated March 26, 2025.
United Airlines
7.4
Good
8,608 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.0

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,608 reviews
United Airlines
7.4
Good
8,608 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Entertainment

7.0

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Casper to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Casper to Idaho?

    Casper Natrona County (CPR) is the airport you will fly out of if you book a flight from Casper to Idaho. It is only a 8.1 mi journey to Natrona County (CPR) from Casper’s city center.

  • Can I find deals for flights from Casper to Idaho that include hotel bookings?

    Yes. In addition to deals on Casper to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Casper to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Casper to Idaho.

  • Can I find deals for business class flights from Casper to Idaho?

    Yes. Cheapflights offers flight deals from Casper to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Casper to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Casper to Idaho (average of $314). Flying from Casper to Idaho in June is currently the most expensive (average of $421). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Casper to Idaho

Discover the top airline that operate flights from Casper to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$218Average$338FlexibilityNo cancel feeOn-time69%
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